1 |
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2 | #include <iostream>
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3 | #include <string>
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4 |
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5 | #include <boost/spirit/include/qi_parse.hpp>
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6 | #include <boost/spirit/include/qi_numeric.hpp>
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7 |
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8 | void Str2Int(const std::string& str)
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9 | {
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10 | int result;
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11 | std::cout << "Parsing '" << str << "':\n";
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12 |
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13 | std::string::const_iterator i = str.begin();
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14 | if (!boost::spirit::qi::parse(i, str.end(), boost::spirit::int_, result)){
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15 | std::cout << " parse failed\n";
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16 | return;
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17 | } else {
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18 | std::cout << " parse success " << result << "\n";
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19 | }
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20 | if( i != str.end() )
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21 | std::cout << " have leftovers\n";
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22 | }
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23 |
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24 | int main(){
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25 | std::cout << "sizeof(int): " << sizeof(int) << "\n";
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26 |
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27 | Str2Int( "2147483647" );
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28 | Str2Int( "2147483648" );
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29 |
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30 | return 0;
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31 | }
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